Solving the Chicken-and-Egg Problem of Self-Referencing AWS CDK Deployments
By
Joanne Skiles
Summary
This article addresses a common challenge faced by AWS CDK (Cloud Development Kit) users: the chicken-and-egg problem where certain infrastructure resources (like ALB endpoints, service URLs, and auto-assigned DNS names) are only known after CloudFormation has provisioned them, not at CDK synthesis time. The article explains that this is not a bug but a fundamental issue, and hints at a solution for handling resources that need to know about themselves after deployment.
Source
bskySolving the Chicken-and-Egg Problem of Self-Referencing AWS CDK Deploymentsdev.toKey quotes
· 4 pulledThere is a moment that catches a lot of people out who are new to AWS CDK.
This is not a CDK bug. It is a genuine chicken-and-egg problem, and once you understand it, the solution is straightforward-ish.
Some resources only exist after CloudFormation has provisioned them: ALB endpoints, service URLs, and auto-assigned DNS names.
These values are not known at the cdk synth time.
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